CN110470988A - A kind of brushless motor multifunctional testing circuit - Google Patents
A kind of brushless motor multifunctional testing circuit Download PDFInfo
- Publication number
- CN110470988A CN110470988A CN201910880685.6A CN201910880685A CN110470988A CN 110470988 A CN110470988 A CN 110470988A CN 201910880685 A CN201910880685 A CN 201910880685A CN 110470988 A CN110470988 A CN 110470988A
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- resistance
- brushless motor
- circuit
- voltage output
- module
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- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 230000009467 reduction Effects 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims 2
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 206010014357 Electric shock Diseases 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention provides a kind of brushless motor multifunctional testing circuits, including rectification filtering module circuit, AC module display linking modular circuit, signal feedback linking modular circuit and ON/OFF to switch timing module circuit.A kind of brushless motor multifunctional testing circuit provided by the invention, when testing AC/EC brushless motor, rectification filtering module circuit and AC module display linking modular circuit have AC power source display screen LED, test result can intuitively be shown, the brushless motors such as signal feedback linking modular circuit test AC/EC can also be connected with fans such as low and high level signal outputs, the experiments such as ON/OFF switch timing module breadboardin user terminal ON/OFF switch can also be connected, bear brush-less fan switch 1K times or more according to time set, the abilities such as fan performance and antisurge switch sparking can be detected well.
Description
Technical field
The present invention relates to the detection field of brushless motor multifunctional testing plate, in particular to a kind of multi-functional survey of brushless motor
Try circuit.
Background technique
Brushless motor is switched using multiple ON/OFF is certain to, and so one is that impossible examine twice when switch
Test the ability of the anti-persistent switch of motor.The brushless motor detection mode of each level output of the relevant brushless motor band of AC/EC is mostly single
One and detected using oscillograph it is in the majority, cannot intuitively allow very much well the people being ignorant of understand.
Summary of the invention
For above-mentioned deficiency in the prior art, the present invention provides a kind of brushless motor multifunctional testing circuit, electricity
Road is simple, easy to operate, and test result is intuitive, facilitates popularization.
In order to achieve the above object of the invention, the technical solution adopted by the present invention are as follows:
A kind of brushless motor multifunctional testing circuit, including rectification filtering module circuit, AC module display linking module electricity
Road, signal feedback linking modular circuit and ON/OFF switch timing module circuit；
The rectification filtering module circuit includes AC power source display screen LED and two alternating current input port AC1 and AC2, institute
It states and is connected separately with insurance resistance F1 and F2 on AC1 and AC2 and is connected by insurance resistance F1 and F2 and AC power source display screen LED
It connects, the AC power source display screen LED output end is connected with rectifier bridge D1 and the output end of rectifier bridge D1 stretches out two lines road simultaneously
Diode Z1, capacitor C1 and combined resistance are parallel between route, the combined resistance includes the R1 and R2 being cascaded
And it is DC+310V voltage output end that R1, which stretches out route,；
The AC module display linking modular circuit includes power management IC chip, the power management IC chip and DC+
310V voltage output end connects and the route between power management IC chip and DC+310V voltage output end is equipped with insurance resistance
R3, the power management IC chip output is connected with BUCK reduction voltage circuit and BUCK reduction voltage circuit stretches out DC+12V voltage output
Mouth and DC+5V voltage output；
Signal feedback linking modular circuit includes transistor T1, power lamp LED1 and power lamp LED2,
The power lamp LED1 and power lamp LED2 and the DC+5V voltage output connection and power lamp
Current-limiting resistance R6 and current-limiting resistance are respectively equipped in the connection line of LED1 and power lamp LED2 and DC+5V voltage output
R10, the current-limiting resistance R6 and current-limiting resistance R10 are connect with the base stage of transistor T1 and collector respectively, the base stage of the T1
On be connected with signal ground SGND, series line is connected with resistance R8 and resistance R7 and resistance on the emitter of the transistor T1
End of the R7 far from resistance R8 is connect with DC+12V voltage output, and signal feedback is connected between the resistance R8 and resistance R7 and is connect
Line mouth S and signal feedback connection mouth S is in parallel with resistance R7, connects between the power lamp LED1 and the emitter of transistor T1
It is connected to resistance R9；
ON/OFF switch timing module circuit includes relay and timing module, the relay and timing module it
Between connection, the timing module powered by DC+12V voltage output, the timing module ground connection.
As an improvement, the AC power source display screen LED ground connection.
As an improvement, the diode Z1 is 400VTVS pipe.
As an improvement, being equipped with Zener Z2 in the BUCK reduction voltage circuit.
As an improvement, being equipped with inductance L in the BUCK reduction voltage circuit.
As an improvement, being connected with 78L05 pressure stabilizing IC core between the DC+12V voltage output and DC+5V voltage output
Piece.
As an improvement, AC1, AC2, SGND and S are load wiring mouth, AC1 and AC2 can be directly accessed any AC and EC
Brushless motor.
The invention has the benefit that
The present invention is by rectification filtering module circuit, AC module display linking modular circuit, signal feedback linking modular circuit
And ON/OFF switchs timing module circuit, the Z1 in rectification filtering module circuit is that let it be that effect can be very good by 400VTVS
The surge surging for clamping down on NS (nanosecond) grade, can prevent back element to be affected by this.R1 and R2 is to put after switch disconnects to capacitor C1
Electricity can prevent human body from contacing by mistake and cause electric shock risk with this；Z2 in AC module display linking modular circuit is Zener, can root
Corresponding voltage is taken according to load required voltage, easy to adjust, inductance L energy storage can provide energy to load below.
When testing AC/EC brushless motor, rectification filtering module circuit and AC module display linking modular circuit are had
AC power source display screen LED, test result can intuitively be shown, can also be connected signal feedback linking modular circuit test AC/
The brushless motors such as EC can also be connected ON/OFF switch timing module breadboardin and use with fans such as low and high level signal outputs
The experiments such as family end ON/OFF switch, bear brush-less fan switch 1K times or more according to time set, can detect fan well
The abilities such as performance and antisurge switch sparking.
Detailed description of the invention
Fig. 1 is rectification filtering module electrical block diagram of the invention；
Fig. 2 is AC module display linking modular circuit structural schematic diagram of the invention；
Fig. 3 is signal feedback linking modular circuit structural schematic diagram of the invention；
Fig. 4 is that ON/OFF of the invention switchs timing module electrical block diagram；
The appended drawing reference table of comparisons:
1- relay, 2- timing module.
Specific embodiment
Further illustrate a specific embodiment of the invention with reference to the accompanying drawing.Wherein identical components are with identical
Appended drawing reference indicates.
It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
Direction in attached drawing, word "inner" and "outside" refer respectively to the direction towards or away from geometric center of specific component.
In order that the present invention can be more clearly and readily understood, following will be combined with the drawings in the embodiments of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.
As shown in Figs 1-4, a kind of brushless motor multifunctional testing circuit, including rectification filtering module circuit, AC module are aobvious
Show linking modular circuit, signal feedback linking modular circuit and ON/OFF switch timing module circuit；
The rectification filtering module circuit includes AC power source display screen LED and two alternating current input port AC1 and AC2, institute
It states and is connected separately with insurance resistance F1 and F2 on AC1 and AC2 and is connected by insurance resistance F1 and F2 and AC power source display screen LED
It connects, the AC power source display screen LED output end is connected with rectifier bridge D1 and the output end of rectifier bridge D1 stretches out two lines road simultaneously
Diode Z1, capacitor C1 and combined resistance are parallel between route, the combined resistance includes the R1 and R2 being cascaded
And it is DC+310V voltage output end that R1, which stretches out route,；
The AC module display linking modular circuit includes power management IC chip, the power management IC chip and DC+
310V voltage output end connects and the route between power management IC chip and DC+310V voltage output end is equipped with insurance resistance
R3, the power management IC chip output is connected with BUCK reduction voltage circuit and BUCK reduction voltage circuit stretches out DC+12V voltage output
Mouth and DC+5V voltage output；
Signal feedback linking modular circuit includes transistor T1, power lamp LED1 and power lamp LED2,
The power lamp LED1 and power lamp LED2 and the DC+5V voltage output connection and power lamp
Current-limiting resistance R6 and current-limiting resistance are respectively equipped in the connection line of LED1 and power lamp LED2 and DC+5V voltage output
R10, the current-limiting resistance R6 and current-limiting resistance R10 are connect with the base stage of transistor T1 and collector respectively, the base stage of the T1
On be connected with signal ground SGND, series line is connected with resistance R8 and resistance R7 and resistance on the emitter of the transistor T1
End of the R7 far from resistance R8 is connect with DC+12V voltage output, and signal feedback is connected between the resistance R8 and resistance R7 and is connect
Line mouth S and signal feedback connection mouth S is in parallel with resistance R7, connects between the power lamp LED1 and the emitter of transistor T1
It is connected to resistance R9；
ON/OFF switch timing module circuit includes relay and timing module, the relay and timing module it
Between connection, the timing module powered by DC+12V voltage output, the timing module ground connection.
The AC power source display screen LED ground connection.
The diode Z1 is 400VTVS pipe.
Zener Z2 is equipped in the BUCK reduction voltage circuit.
Inductance L is equipped in the BUCK reduction voltage circuit.
78L05 pressure stabilizing IC chip is connected between the DC+12V voltage output and DC+5V voltage output.
AC1, AC2, SGND and S are load wiring mouth, and AC1 and AC2 can be directly accessed any AC and EC brushless motor.
In the device use process, AC1, AC2 are alternating current input or any regulated power supply input port, are protected by F1/F2
Dangerous resistance is directly connected to AC power source display screen LED, current rectifying and wave filtering circuit is being formed by D1 rectifier bridge and C1, in Fig. 1
Z1 is 400VTVS pipe, its effect can be very good to clamp down on the surge surging of NS (nanosecond) grade, and back element can be prevented by this shadow
It rings.R1 and R2 is to discharge after switch disconnects to capacitor C1, can prevent human body from contacing by mistake with this and cause electric shock risk.
In Fig. 2 ,+310V insures resistance by R3 and powers to U1, and U1 is power management IC chip, and U1 passes through back element group
At BUCK reduction voltage circuit, the position Z2 can according to load required voltage take corresponding voltage Zener (such as；10V 12V
15V....), energy is provided to load below by L inductive energy storage this moment.The voltage port DC+12V and+5V of two outputs are exported
Port and+5V output port are as obtained by 78L05 pressure stabilizing IC chip, this voltage stabilization output current capacity is big, can be fine
Obtain lightening LED lamp.
In Fig. 3, AC1/AC2/SGND/S is load connection jaws, and AC1/AC2 can be directly accessed the brushless horse of any AC and EC
It reaches, SGND is the signal ground of AC and EC brushless motor, and S is signal feedback connection mouth.LED1 is lighted by R6 current limliting in figure, this is
Power lamp ,+5V power supply normally back light are soaked light, are not turned on and do not shine.LED2 is connected to T1 transistor by R10 current limliting
On the collector of one end, this moment if after+12V voltage turn-on, S vacantly not wiring, light bulb shines.If S receives brushless horse
Up to output low and high level variation, LED2 light bulb is by lighting and extinguishing the variation that can intuitively feed back low and high level out.
In Fig. 4, time switch and relay are made of external module, and relay is broken by the control of time switch
It opens and connects, timing ON/OFF (switch) test experiments ,+12V that time switch is exported by front reduction voltage circuit are reached with this
Power supply, relay input terminal can take over the AC or DC power supply no more than relay maximum voltage itself, and output can connect equal
The brushless motor of voltage.This module can be very good the stability that analog subscriber is constantly switched using brushless motor when and can
By property.
The above description is only a preferred embodiment of the patent of the present invention, is not intended to limit the invention patent, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the invention patent within the spirit and principle of patent of invention
Protection scope within.
Claims (7)
1. a kind of brushless motor multifunctional testing circuit, which is characterized in that including rectification filtering module circuit, AC module display rank
Connection module circuit, signal feedback linking modular circuit and ON/OFF switch timing module circuit；
The rectification filtering module circuit includes AC power source display screen LED and two alternating current input port AC1 and AC2, the AC1
Be connected separately with insurance resistance F1 and F2 on AC2 and connect by insuring resistance F1 and F2 with AC power source display screen LED, institute
It states AC power source display screen LED output end and is connected with the output end stretching two lines road of rectifier bridge D1 and rectifier bridge D1 and in route
Between be parallel with diode Z1, capacitor C1 and combined resistance, the combined resistance includes the R1 being cascaded and R2 and R1 stretches
Route is DC+310V voltage output end out；
The AC module display linking modular circuit includes power management IC chip, the power management IC chip and DC+310V
Voltage output end connects and the route between power management IC chip and DC+310V voltage output end is equipped with insurance resistance R3,
The power management IC chip output is connected with BUCK reduction voltage circuit and BUCK reduction voltage circuit stretches out DC+12V voltage output
With DC+5V voltage output；
Signal feedback linking modular circuit includes transistor T1, power lamp LED1 and power lamp LED2, described
Power lamp LED1 and power lamp LED2 and the DC+5V voltage output connection and power lamp LED1 and
Current-limiting resistance R6 and current-limiting resistance R10, institute are respectively equipped in the connection line of power lamp LED2 and DC+5V voltage output
It states current-limiting resistance R6 and current-limiting resistance R10 is connect with the base stage of transistor T1 and collector respectively, connected in the base stage of the T1
There is signal ground SGND, series line is connected with resistance R8 and resistance R7 on the emitter of the transistor T1 and resistance R7 is separate
The end of resistance R8 is connect with DC+12V voltage output, and signal feedback connection mouth S is connected between the resistance R8 and resistance R7
And signal feedback connection mouth S is in parallel with resistance R7, is connected between the power lamp LED1 and the emitter of transistor T1
Resistance R9；
The ON/OFF switch timing module circuit includes relay and timing module, line between the relay and timing module
Road connection, the timing module are powered by DC+12V voltage output, the timing module ground connection.
2. a kind of brushless motor multifunctional testing circuit according to claim 1, it is characterised in that: the AC power source is aobvious
Display screen LED ground connection.
3. a kind of brushless motor multifunctional testing circuit according to claim 1, it is characterised in that: the diode Z1 is
400VTVS pipe.
4. a kind of brushless motor multifunctional testing circuit according to claim 1, it is characterised in that: the BUCK decompression electricity
Zener Z2 is equipped in road.
5. a kind of brushless motor multifunctional testing circuit according to claim 4, it is characterised in that: the BUCK decompression electricity
Inductance L is equipped in road.
6. a kind of brushless motor multifunctional testing circuit according to claim 1, it is characterised in that: the DC+12V voltage
78L05 pressure stabilizing IC chip is connected between delivery outlet and DC+5V voltage output.
7. a kind of brushless motor multifunctional testing circuit according to claim 1, it is characterised in that: AC1, AC2, SGND and
S is load wiring mouth, and AC1 and AC2 can be directly accessed any AC and EC brushless motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880685.6A CN110470988A (en) | 2019-09-18 | 2019-09-18 | A kind of brushless motor multifunctional testing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910880685.6A CN110470988A (en) | 2019-09-18 | 2019-09-18 | A kind of brushless motor multifunctional testing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110470988A true CN110470988A (en) | 2019-11-19 |
Family
ID=68516148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910880685.6A Pending CN110470988A (en) | 2019-09-18 | 2019-09-18 | A kind of brushless motor multifunctional testing circuit |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503482U (en) * | 2009-08-28 | 2010-06-09 | 佛山市顺德区泛仕达机电有限公司 | Working state feedback circuit of direct current brushless motor |
| CN101750582A (en) * | 2008-12-05 | 2010-06-23 | 鸿富锦精密工业（深圳）有限公司 | Testing device |
| CN104181831A (en) * | 2014-08-19 | 2014-12-03 | 深圳市朗特电子有限公司 | Control system and control method of food smashing, stirring and mixing equipment |
| CN104201939A (en) * | 2014-08-19 | 2014-12-10 | 深圳市朗特电子有限公司 | Control system of AC (alternate current) motor |
| CN204794730U (en) * | 2015-06-03 | 2015-11-18 | 欧阳海波 | AC changes DC's brushless radiator fan drive circuit |
| CN205103379U (en) * | 2015-08-19 | 2016-03-23 | 天津市中环电子计算机有限公司 | Direct current motor power amplifier circuit detector |
| CN110011650A (en) * | 2019-04-07 | 2019-07-12 | 东莞市润达散热风扇有限公司 | Switching pmos circuit applied to motor driving |
| CN211014562U (en) * | 2019-09-18 | 2020-07-14 | 东莞市润达散热风扇有限公司 | Multifunctional test circuit for brushless motor |
-
2019
- 2019-09-18 CN CN201910880685.6A patent/CN110470988A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101750582A (en) * | 2008-12-05 | 2010-06-23 | 鸿富锦精密工业（深圳）有限公司 | Testing device |
| CN201503482U (en) * | 2009-08-28 | 2010-06-09 | 佛山市顺德区泛仕达机电有限公司 | Working state feedback circuit of direct current brushless motor |
| CN104181831A (en) * | 2014-08-19 | 2014-12-03 | 深圳市朗特电子有限公司 | Control system and control method of food smashing, stirring and mixing equipment |
| CN104201939A (en) * | 2014-08-19 | 2014-12-10 | 深圳市朗特电子有限公司 | Control system of AC (alternate current) motor |
| CN204794730U (en) * | 2015-06-03 | 2015-11-18 | 欧阳海波 | AC changes DC's brushless radiator fan drive circuit |
| CN205103379U (en) * | 2015-08-19 | 2016-03-23 | 天津市中环电子计算机有限公司 | Direct current motor power amplifier circuit detector |
| CN110011650A (en) * | 2019-04-07 | 2019-07-12 | 东莞市润达散热风扇有限公司 | Switching pmos circuit applied to motor driving |
| CN211014562U (en) * | 2019-09-18 | 2020-07-14 | 东莞市润达散热风扇有限公司 | Multifunctional test circuit for brushless motor |
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